Analysis and Research on Grinding Crack Failure of 30CRMNSIANI2A Cylinder
The failure phenomenon of microcracks detected during the magnetic particle inspection of the 30CrMnSiANi2A middle cylinder during the overhaul of the ejection cylinder was introduced.The physical and chemical testing and analysis were conducted on the macroscopic morphology,microscopic morphology,and metallographic structure of the crack fracture surface.A systematic investigation and analysis was conducted on the main factors that may cause the raw materials,cold and hot processing,grinding parameters,processing stress,and installation adaptability of the middle cylinder.The mechanism of micro cracks in the middle tube was identified.The practical and feasible prevention and elimination measures were formulated.It played a positive warning,guidance,and reference significance for the refined design and application of aviation product processes.
万方数据
维普
